This jam is now over. It ran from 2026-09-20 10:00:00 to 2026-10-04 21:59:59. View results

Make a game with Defold game engine and win rewards!

Annual online Defold community event with talks and live Q&A
+a 2 week long game jam for making a game with Defold engine!


THEME: CHAIN REACTION




ONLINE TALKS ROADMAP

When?CESTPDTJSTWhat?Who?Where?
2026-09-1816:007:00 AM23:00 (-1d)So You Want to Add Multiplayer? A practical introduction to Heroic Labs' game tech stack
Andy TranMeet
17:008:00 AM0:00Wavedash Presentation + Live Q&AKyler Blue
Meet
18:009:00 AM1:00Monetizing on mobile: what changes when your web game becomes an app + Live Q&ANitish Borthakur
Meet
19:0010:00 AM2:00Intro to Post-Processing: Day and Night Cycle ShaderHalfstar AtelierMeet
2026-09-1917:008:00 AM0:00SpriteLoop - a 2D animation workflow for DefoldSamuil GoranovMeet

18:009:00 AM1:00Poki Presentation + Live Q&AErik Dubbelboer
Meet
19:0010:00 AM2:00Photon Presentation + Live Q&ALuke StampfliMeet
2026-09-2012:003:00 AM19:00Theme announcementPaweł Jarosz
Everywhere!
2026-09-2116:007:00 AM23:00 (-1d)Defold talk, Survey Results, Roadmap + Live Q&ABjörn Ritzl and Defold teamMeet
2026-10-0423:592:59 PM6:59End of the Jam!Here
2026-10-1115:006:00 AM10:00End of Voting = Winners Announcement!Everywhere!


REWARDS

This is only a quick summary table of the rewards. For details, requirements and conditions to be eligible for the rewards, please read the full descriptions below.

PlaceDefold (Steam Gift Cards)Wavedash CreditsCraftpix Member -shipOvani Store CreditPoki Fast Review + Upfront PaymentKenney All-in-1 + Asset ForgeHeroic Labs CloudPhoton Fusion Plus
1100 €100 €1 year$ 350 + 1 song✓ + € 1000✓ + ✓3 months1 year + 1h call 
250 €50 €1 year$ 200✓ + € 1000✓ + ✓3 months1 year
325 €25 €1 year$ 200✓ + € 1000✓ + ✓3 months1 year
410 €10 €1 year$ 200✓ + ✓1 year
510 €10 €$ 2001 year
6-1010 €10 €


Defold Product Overview

Defold Foundation

Best games in Overall category will get Steam Gift Cards from the Defold Foundation:

  1. 100 € Steam Gift Card
  2. 50 € Steam Gift Card
  3. 25 € Steam Gift Card
  4. - 10. place: 10 € Steam Gift Card


Wavedash website

Wavedash Challenge

Our partner Wavedash is sponsoring rewards for the 10 best games deployed to Wavedash - Wavedash Credits prizes!

Wavedash is a browser-native gaming platform that lets users play modern, high-performance games instantly in a web browser without any downloads or installations.

  1. 100 € Wavedash Credit
  2. 50 € Wavedash Credit
  3. 25 € Wavedash Credit
  4. - 10. place: 10 € Wavedash Credit

To participate in the challenge and be eligible for the reward, you are obliged to deploy the game on Wavedash, and provide a link to it in your game page description, so we can find your entry. Deploying to Wavedash is easy and requires no review, read more in the documentation. 


CraftPix website

CraftPix Rewards

CraftPix  is sponsoring rewards for the best games in the jam - CraftPix yearly Ultimate Access membership!

CraftPix.net is an online store and resource specializing in high-quality premium and free 2D game assets for game developers, indie studios, and hobbyists.

  1. - 4. place: 1-Year CraftPix membership (up to 5 people each team).


Ovani Sound Rewards

Ovani Sound  is sponsoring rewards for the best games in the jam - Ovani Sound store credits and one special reward for the winner - a custom main theme song!

OvaniSound.com is a provider of royalty-free music, sound effects, voice-over packs, and audio plugins built specifically for indie game developers, filmmakers, and creators.

  1. place: $350 Ovani store credit + One custom main theme song for the winner
  2. -5. place: $200 Ovani store credit (per team)

Additionally, ALL participants will receive a link with:

  • Access to the free Ovani Sound FX Sampler
  • Access to the free Ovani Music Sampler
  • A special game jam Bundle Builder link with discounts exclusive for the participants - 35%, 45%, and 55%


Poki Rewards

Our partner Poki is sponsoring rewards for the 3 best games in the jam!

Poki is a free online gaming platform where users can instantly play more than 1,500 browser games. It ranks #1 in over 100 countries and reaches more than 100 million players every month.

  1. - 3. place: Fast-track publishing review
  • Additionally, these top 3 games after being published on Poki will receive €1,000 upfront payment.

The €1,000 is a release fee, meaning Poki will pay it upon the game's full release on the platform and then recoup it from the developer's revenue share. This ensures that developers who put in the work to release their game on Poki know they will earn at least €1,000 for their efforts. After that, they can earn significantly more through revenue share if the game performs well on Poki.

Additionally, every game that reaches full release receives a temporary featured spot on the Poki homepage.


Kenney Rewards

Kenney is sponsoring rewards for the best games in the jam!

Kenney.nl is a very popular website created by asset developer Kenney that provides thousands of completely free, high-quality game development 2D, 3D and audio assets.

  1. - 4. place: Kenney Game Assets All-in-1 + Asset Forge Deluxe


Heroic Labs Multiplayer Challenge

Our Partner Heroic Labs is sponsoring rewards for the best games in the Heroic Labs Multiplayer Challenge!

Heroic Labs is a technology company that builds server software, cloud infrastructure, and management tools for online video games.

  1. - 3. best games on Overall category with Nakama integrated: 3 months of Heroic Cloud (Dev tier)

To participate in the challenge and be eligible for the reward, you are obliged to incorporate Heroic Labs Nakama in your game, and mention Nakama in your game page short description (the tagline), so we can find your entry. You can read the guide here, check Defold Nakama example here and get Nakama for Defold here. Nakama Defold SDK and server is open-source and Apache 2.0 licensed, so you can use and self-host it for free. If game doesn't require multiplayer to be playable and fun for voting - it's enough to submit a video proof to Defold team of it working with your locally hosted server, to be eligible for the rewards.


Photon Fusion Multiplayer Challenge

Photon is sponsoring rewards for the best games in the Photon Fusion Multiplayer Challenge!

Photon powers the networking behind thousands of live multiplayer titles. The Fusion extension is a drop-in native extension with a Lua API: connect to the Photon Cloud, get matched into a room and sync your game objects, with no servers to run yourself. Works on HTML5, desktop and mobile.

  1. - 5. best games in Overall category with Photon Fusion integrated: Fusion Plus voucher, 100 Concurrent Users (CCU) for 1 year
  • Additionally, the 1st place gets: One hour online video call with a Photon expert, covering the multiplayer in your game or any other multiplayer topic you are interested in.

Every Photon account gets one free 100 CCU app, enough to build and launch a multiplayer game at no cost. The voucher stacks on top of that, so winners run on a 200 CCU plan for a full year, plenty of room to turn your jam entry into a real launch (and if user has other subscriptions, e.g. 500CCU, it stacks up to 600 CCU).

To participate in the challenge and be eligible for the reward, you are obliged to incorporate Photon Fusion in your game, and mention Fusion in your game page short description (the tagline), so we can find your entry. You can read the guide here, check Defold Fusion example here and get Fusion for Defold here. Photon Fusion has a free tier with 100 CCU, which should be enough for the development during the game jam and voting period.



SOCIAL MEDIA & COMMUNITY

Use hashtags  #DefoldGameJam  or  #MadeWithDefold  in social media!


RULES

  1. Your game(s) should be made with Defold, fit the theme and be submitted in the jam period, to be eligible for rewards.
  2. Your game should be playable on PC or in a browser (HTML5). It should not require additional external hardware or software to run.
  3. Please be mindful and respectful of your peers. The game should not contain: pornography, racism, hate speech, nothing illegal etc.
  4. You must be aged 13 or older (otherwise your parent/guardian needs to submit your creation).
  5. There is no limit on the number of people per team, and people can be in multiple teams. Only one person needs to join Itch and submit the game. However, if others on the team also join Itch, they can be tagged as contributors. (On your game's itch page, pick "Edit", "More", "Admins", and follow the instructions).15
  6. Your game can participate in other game jams as well (if those are fitting given jam rules of course).
  7. You can use whatever art, audio and/or code assets/libraries you have the legal right to use.
  8. Reasonable use of AI is permitted during game development, but you should briefly indicate on the game page what specifically the AI was used for.
  9. Your game belongs to you! We claim no rights or ownership of your game. We do request the right to use your game only for purpose of publicizing the game jam. Any game submitted to the jam may show up in a Unfolding Gamedev, Asatte Games and Defold YouTube channels video without your express permission. If you take part in the game jam and submit your game, it means you agree to this and all Rules.


SCORES & RATING

After jam period is over, everyone is invited to play the games and rate games in Overall category, which will be revealed at the end of the voting period and which ranking determines winners. There are additional categories "Presentation" - for best audiovisuals and art style and "Game Design" for best game design, feel and gameplay!

Winners will be announced after voting period. If you will be a winner, host of the jam will be trying to contact you in order to get you a reward, so please leave a contact info and be responsive to make it quick! Steam Gift Cards are rewards from The Defold Foundation - please add Defold ('defoldengine') to the friends on Steam to make the process faster.

It's an official Game Jam driven by the Defold Foundation and the Defold community. Things shouldn't, but may change, for example by requests of peers, to suit the community as best as possible and we will inform you every time it does.

All product names, logos, covers, images and brands are property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, logos and brands does not imply endorsement.

CREDITS & THANKS

Organised by Paweł Jarosz since 2020 and now by the The Defold Foundation since 2026.
Thanks to The Defold Foundation, Wavedash, CraftPix, Ovani Sound, Poki, Kenney, Heroic Labs and Photon for sponsoring the rewards and challenges!
Thanks to all the speakers of our Online Conference!

INSPIRATIONS

Defold Assets Portal
Defold Examples
Defold Learn Hub
Ben James' list of games + source
Bjorn Ritzl's (Defold team) examples
Unofficial Defold Game Jam #1
Unofficial Defold Game Jam #2
#MadeWithDefold Jam 2020
#MadeWithDefold Jam 2022
#MadeWithDefold Jam 2023 
#MadeWithDefold Jam 2024
#MadeWithDefold Jam 2025









Submissions(74)

All submissions
·
Browser playable (74)
·
Yes (1)
No (73)
·
Yes (2)
No (72)

No submissions match your filter

Direction. Deflection. Perfection.
Puzzle
Play in browser
Build your empire and make theirs fall.
Strategy
Play in browser
Throw one match on a paper island and see how much of it burns.
Simulation
Play in browser
Race for leaves, blast your rivals, and trigger underground chain reactions. Up to 4 players, powered by Nakama.
Action
Play in browser
Plan your hexes and light the fuse to watch the chain reaction.
Puzzle
Play in browser
Draw power lines, chain stations, multiply the energy
Strategy
Play in browser
Clucking Big Reactions
Play in browser
Retro dungeon crawler with an active combat system. Break the chain, lose your gain.
Adventure
Play in browser
Tap a core, let it burst, and watch neutrons set off the whole board.
Puzzle
Play in browser
Bounce endlessly, blast your path on touch, outrun the killer, find teleport.
Action
Play in browser
Fling dice. Match faces. Chain everything.
Puzzle
Play in browser
Put the skeleton's head back on.
Puzzle
Play in browser
One cut sets off a chain reaction. Fell trees exactly where you mean to: usually onto something.
Simulation
Play in browser
Roll the dice. Build the chain. Rend your enemies.
Strategy
Play in browser
Place arrows. Start the chain. Toggle every cell ON.
Puzzle
Play in browser
Bite bigger snakes, dodge heads, survive a live multiplayer arena!
Action
Play in browser
A stretchy slimy climber you play with one finger
Platformer
Play in browser
Build trap chains, keep the combo alive, and earn bigger rewards.
Simulation
Play in browser
A dance club seating puzzler. Made for Defold Jam 2026
Puzzle
Play in browser
Chain your rerolls for legendary rewards and build the ultimate hero squad in this strategic defense game!
Strategy
Play in browser
For every piece fit, two more appear.
Puzzle
Play in browser
Chain through these unbound lands as you make you own path deeper into this world
Action
Play in browser
Drop reagents, fuse three alike, and set off chain reactions all the way to the Philosopher's Stone.
Puzzle
Play in browser
Simply, chaining numbers!
Puzzle
Play in browser
A few stars have fallen into deep slumber. Can you ignite a spark and wake them up again?
Puzzle
Play in browser
​Simple ragdoll physics game where you have to bring the orange box to the green destination zone
Puzzle
Play in browser
One piano is sounding. Reach it and two more answer.
Action
Play in browser
Cross the pond as a frog. Landings send ripples to push lily pads. Avoid snapping turtles, pikes, and herons.
Puzzle
Play in browser
You are the asteroid. Aim one impact, start a chain reaction, erase the dinosaurs—and save the mammals.
Puzzle
Play in browser
Chess-like tactics game, bigger chains give higher scores
Puzzle
Play in browser
A living miniature world. Nudge nature, then watch and trace the consequences.
Simulation
Play in browser
Entry for Defold Game Jam 2026
Strategy
Play in browser
Code the elements
Role Playing
Play in browser
Defold Gamejam submission. A dad tells a story to his son about his first love. Click to progress through the game.
Visual Novel
Play in browser
3D puzzle game where every cube follows an arrow
Puzzle
Play in browser
The Silly Nuclear Adventure
Adventure
Play in browser
For Defold Gamejam 2026
Action
Play in browser
Wake a sleeping forest, one root at a time.
Puzzle
Play in browser
Seven of a colour bloom, and every bloom grows its neighbours. Line them up, set one off, watch the garden chain-react.
Puzzle
Play in browser
Build, calculate and connect - to set off the perfect chain reaction.
Puzzle
Play in browser
Defold Game
Puzzle
Play in browser
Fight like a savage. Think like a tactician.
Puzzle
Play in browser
made for the defold game jam 2026
Card Game
Play in browser
You're an archer trying to reach the depths of the dungeon, can you do it?
Puzzle
Play in browser
In this cozy jewelry design game, create the bracelet of your dreams, then snap a photo to show it off!
Play in browser
Puzzle
Play in browser
You play as a vampire girl dashing through a night city swarming with smartphone zombies.
Action
Play in browser
Nameless ronin chassis defending a dead human city from machine clans. 2 elemental weapons, 35 waves, chain-reaction.
Shooter
Play in browser
Skewer zombies on a chain flail, let go, and watch them go nuclear.
Action
Play in browser
Simple RPG for Defold Jam 2026
Role Playing
Play in browser
An outbreak you can watch spread. Break the chain or join it.
Action
Play in browser
-> a cascading chain of events <-
Strategy
Play in browser
shoot asteroids and upgrade your ship
Action
Play in browser
You own the market. You sell nothing. You take 25% — and decide where everyone stands in line.
Simulation
Play in browser
Shooter
Play in browser
Made for Defold Jam 2026.
Puzzle
Play in browser
:Shoot. Paddle. Destroy the Planet:
Action
Play in browser
A short comedy narrative game.
Interactive Fiction
Play in browser
Life sim + Board
Simulation
Play in browser
Flick your team across a tabletop pitch and chain passes together to score. First to 3 wins!
Sports
Play in browser
One swipe makes a bomb. One detonator. One chain.
Puzzle
Play in browser